The discovery could lead to reducing risk of Alzheimer's disease by targeting the right genes and proteins to manage cholesterol and triglycerides.

New research shows police could use forensic DNA to track down family members in public genealogy databases. But that may raise big privacy issues.

The blood test finds remnants of cancer DNA in the blood stream in order to inform decisions about whether a patient needs chemotherapy after surgery.

Understanding more about how bacteria use the enzymes to get around the host's immune system could lead to new antibiotics.